hostplants

synonyms

Microsphaera betulae Magnus, 1898; M. ornata Braun, 1982.

notes

In Europe the variety europaea (Braun) Braun & Takamatsu, 2000. The typical form has a higher number of appendages (6-22) that moreover are longer (1-1.5 x the diameter of the cleistothecium). This form has been found in the Ukraine.